ROTORSYSTEM

European patent · EP4091937 · In force

Register entry

Publication number
EP4091937
Application number
EP22168967
Kind
European patent with effect for Switzerland and Liechtenstein
Status
In force
Specification
Granted
Filed
Apr 20, 2022
Published
Nov 23, 2022
Granted
Jun 4, 2025
Protection ends at the latest
Apr 19, 2042
Next annual fee due
Apr 30, 2026
IPC classes
B64C 27/10 (2023.01)
B64U 30/24 (2023.01)
B64C 27/33 (2006.01)
B64C 27/473 (2006.01)
B64C 27/04 (2006.01)
B64C 27/22 (2006.01)
B64C 27/32 (2006.01)
B64C 27/35 (2006.01)
Priority
US 202117242155 27.04.2021
Filing language
English
Source
Swissreg

History

What the Federal Institute of Intellectual Property published about this title, newest first.

  1. Apr 16, 2026

    Change

    Published in Swissreg on 16.04.2026

  2. Jun 4, 2025

    Granted

    Specification status
    Non-published patent application → Granted patent
    Status of protective title
    Initiated → Active

    Published in Swissreg on 04.06.2025

Parties

Holder

Lockheed Martin Corporation

6801 Rockledge Drive, Bethesda, Maryland 20817, US

Inventor

HUNTER, David H.

Cheshire, CT, 06410, US

SCHMALING, David N.

Southbury, CT, 06488, US

The register names each party by name and address. A holder or agent is linked to an organization where exactly one entity of the commercial register bears its name; the street of a party not so recognised is not shown here.